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Intercooler BMW 730 E65
OEM: 17517791909
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Disassembled car photo
Donor vehicle description
- VIN
- WBAHM21090DS73445
- Make, model
- BMW 730 E65
- Year
- 2006
- Engine
- Diesel 3.0 170KW M57N2
- Transmission
- Automatic
- Drive
- Rear-wheel drive
- Equipment
- LHD
- Colour
- STERLINGGRAU METALLIC 472
582 parts from this car
Engine running
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WhatsAppAsk about this productDetails for this exact part
- Code
- 17517791909
- OEM
- 17517791909
- Condition
- Used
- Availability
- 1 in stock - ready to ship
- Make, model
- BMW 7 E65 2005-2008
- Year
- 2006
- Engine
- Diesel 3.0 170KW M57N2
- VIN
- WBAHM21090DS73445
What is this part and why does it matter?
The intercooler cools compressed air from the turbocharger before it reaches the engine — cooler air is denser, which improves combustion efficiency and power.
An intercooler cools the charge air and is distinct from both the turbocharger and the engine radiator. Compare dimensions, hose positions, brackets and part reference. Read the condition information for fins and connections. Hoses, sensors and additional brackets are only included when the listing expressly says so.
Signs of a faulty part
If you notice any of the following, the part likely needs replacement:
- Noticeable loss of power, especially under sustained hard acceleration
- Whistling or hissing noise (boost leak) from a cracked intercooler
- Oil residue at the intercooler (from a failing turbo, not the intercooler itself)
Installation information
Mounted with brackets, usually behind the front bumper — connect all pipes with clamps and check for leaks after installation.
Frequently asked questions
A struggling or undersized intercooler can’t keep up with heat soak during sustained high-boost driving (e.g. on a track or long uphill pull), letting intake air temperatures rise and reducing power — this is sometimes called heat soak.